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Keyword: astronomy

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  • Ancient Atomic Bombs

    11/02/2009 10:17:50 AM PST · by BGHater · 57 replies · 1,678+ views
    The Epoch Times ^ | 31 Oct 2009 | Leonardo Vintiñi
    "Now I am become Death, the destroyer of worlds." —The Bhagavad Gita Seven years after the nuclear tests in Alamogordo, New Mexico, Dr. J. Robert Oppenheimer, the father of the atomic bomb, was lecturing at a college when a student asked if there were any U.S. atomic tests before Alamogordo. “Yes, in modern times,” he replied. The sentence, enigmatic and incomprehensible at the time, was actually an allusion to ancient Hindu texts that describe an apocalyptic catastrophe that doesn’t correlate with volcanic eruptions or other known phenomena. Oppenheimer, who avidly studied ancient Sanskrit, was undoubtedly referring to a passage in...
  • The melting snows of Kilimanjaro

    11/06/2009 12:38:06 AM PST · by neverdem · 16 replies · 597+ views
    Nature News ^ | 2 November 2009 | Brian Vastag
    Glaciers crowning Africa's tallest mountain could disappear within decades. Remnant of the Eastern Ice Field as seen 2000. This particular chunk of ice has now disappeared.Lonnie G. Thompson The snows of Kilimanjaro are rapidly disappearing and will be gone by 2033, predicts the most detailed analysis yet of the iconic glaciers gracing Africa's highest peak.In addition to shrinking in area, Kilimanjaro's glaciers are thinning from the top down, says Ohio State University's Lonnie Thompson, lead author of the new study. "They're being decapitated," he says. "In fact, they're probably not really glaciers anymore. They're remnants of another climate."In 2000, Thompson...
  • Finding Critics for Science

    11/04/2009 10:37:40 AM PST · by bs9021 · 16 replies · 192+ views
    Accuracy in Academia ^ | November 4, 2009 | Allie Winegar Duzett
    Finding Critics for Science Allie Winegar Duzett, November 4, 2009 There are many fields with rigorous critics; many writers make a living critiquing music, dance, art, and literature. At Accuracy in Media and other media watchdog groups, employees critique the claims of major news organizations. But one crucial field regularly goes without any public criticism: the field of science, and scientific discovery. “Science lacks for critics,” David Berlinski claimed at a recent Heritage Foundation Bloggers’ Briefing. “It is really remarkable that in the sense in which literature or dance or music has always entered public consciousness with a very rich...
  • Kate Becker: Robots vs. humans: What's the next scene?

    11/06/2009 4:46:19 PM PST · by KevinDavis · 9 replies · 202+ views
    Daily Camera ^ | 11/06/09 | Kate Becker
    Scene 1: The White House Rose Garden. The President of the United States is standing before a crowd of amateur astronomers, students and teachers, with his science adviser by his side. In front of him: a telescope. The president bends down and presses his eye to the eyepiece. Flashbulbs pop. Scene 2: Kennedy Space Center. The Ares 1-X rocket sits on the launch pad, ready for its first test flight. More than 300-feet tall but fewer than 20 feet in diameter, it looks as precarious as a flying chopstick, but tomorrow's astronauts might ride a rocket like this one to...
  • Happy Carl Sagan Day!

    11/07/2009 5:12:58 AM PST · by GolfingRam · 9 replies · 217+ views
    CultureLab ^ | November 7, 2009 | Ivan Semeniuk
    Back in 1980 the US space programme was in the doldrums. Apollo was fading into history and there hadn't been a US astronaut in space for five years. The quirky space shuttle, much diminished from its initial vision, was still waiting to make its maiden flight. But that fall came Cosmos, a revolutionary documentary series with a compelling host. Both the television universe and the real one have never been quite the same. Carl Sagan, by equal measure professorial and childlike, offered space enthusiasts a new paradigm. Buck Rogers was out; refined and groovy cosmic citizen was in. Here was...
  • Why Evolutionary-Based Science Is A Menace To Scientific Research, Discovery, and Progress

    11/06/2009 9:39:16 AM PST · by GodGunsGuts · 65 replies · 745+ views
    Why Evolutionary-Based Science Is A Menace To Scientific Research, Discovery, and Progress Evolutionary-based research always begins with the inaccurate and unscientific presupposition that the Theory of Evolution, i.e. the Big Bang, the spontaneous generation of life, and common descent, is true. Due to this systemic problem, scientific discovery and progress is severely hampered, not to mention the hundreds of millions of research dollars that are squandered every year. In a time in which almost ANY alternative thought is given a platform, the evolution industry is silencing dissenting scientific evidence, even when it’s from fellow evolutionists! See the growing list of...
  • Starring Intelligent Aliens

    11/05/2009 6:20:51 PM PST · by KevinDavis · 8 replies · 226+ views
    Astrobiology Magazine ^ | 11/05/09 | Clara Moskowitz
    When scientists search the heavens for habitable worlds beyond Earth, they don't necessarily know what to look for. A new study has found that the most probable place to find intelligent life in the galaxy is around stars with roughly the mass of the sun, and surface temperatures between 5,300 and 6,000 Kelvin (9,100 and 10,300 degrees Fahrenheit) - in fact, stars very similar to our own sun.
  • The Nature of Mythology (Symbols of an Alien Sky)

    11/03/2009 9:40:28 AM PST · by wendy1946 · 11 replies · 317+ views
    The Thunderbolts Project has released something which they view as a sort of an opus magnus here: Symbols of an Alien Sky DVD A glimpse of the material can be had at the video page at thunderbolts.info or by doing a search on "thunderbolts project" on youtube. The Symbols of an Alien Sky DVD is targeted at an academic audience including mainly those interested in ancient history, ancient religions, mythologies, comparative mythologies, or the genesis of mythalogical archetypes. It totally ignores any and all questions about religion other than for the question of astral religions and why ancient man basically...
  • Huge Galaxy Cluster Hints at Universe's Skeleton

    11/03/2009 9:19:57 AM PST · by NormsRevenge · 12 replies · 544+ views
    Space.com ^ | 11/3/09
    A gigantic, previously unknown set of galaxies has been found in the distant universe, shedding light on the underlying skeleton of the cosmos. "Matter is not distributed uniformly in the universe," said Masayuki Tanaka, an astronomer with the European Southern Observatory (ESO) who helped discover the galactic assemblage. "In our cosmic vicinity, stars form in galaxies and galaxies usually form groups and clusters of galaxies." But those collections of matter are just small potatoes compared to larger structures long-theorized to exist. "The most widely accepted cosmological theories predict that matter also clumps on a larger scale in the so-called 'cosmic...
  • Ohio Wesleyan art professor uncovers celestial connection in desert Southwest

    11/03/2009 12:13:27 PM PST · by BGHater · 37 replies · 1,137+ views
    THE COLUMBUS DISPATCH ^ | 01 Nov 2009 | Doug Caruso
    Jim Krehbiel was up past midnight making a piece of art by layering maps and field notes onto photos he had taken of an ancient ritual site high on a cliff ledge in the desert Southwest. He looked at the image of the kiva and remembered how the ruins were nearly inaccessible. Krehbiel had to lower himself on a rope to reach them. Why, he wondered that night in the fall of 2007, would anyone build something so important in such a remote spot among the canyons and mesas? It was then that the chairman of Ohio Wesleyan University's art...
  • Planet hunt delayed (Kepler problem...Noise confounds NASA mission to find an Earth twin)

    11/02/2009 7:47:52 AM PST · by LibWhacker · 18 replies · 349+ views
    Nature ^ | 10/30/09 | Eric Hand
    NASA's Kepler mission is unlikely to detect any Earth-like exoplanets before 2011 due to an electronic glitchKepler, NASA's mission to search for planets around other stars, will not be able to spot an Earth-sized planet until 2011, according to the mission's team. The delays are caused by noisy amplifiers in the telescope's electronics. The team is racing to fix the issue by changing the way data from the telescope is processed, but the delay could mean that ground-based observers now have the upper hand in the race to be the first to spot an Earth twin. "We're not going to...
  • A Storm in Egypt during the Reign of Ahmose [The Tempest Stele]

    11/01/2009 8:04:33 AM PST · by SunkenCiv · 22 replies · 469+ views
    Thera Foundation ^ | September 1989 (last modified March 26, 2006) | E.N. Davis
    An inscribed stele erected at Thebes by Ahmose, the first Pharaoh of the 18th Dynasty, documents a destructive storm accompanied by flooding during his reign. Fragments of the stele were found in the 3rd Pylon of the temple of Karnak at Thebes between 1947 and 1951 by the French Mission. A restoration of the stele and translation of the text was published by Claude Vandersleyen (1967). In the following year (1968), Vandersleyen added two more fragments, one from the top of the inscription and a small piece from line 10 of the restored text, which had been recovered by Egyptian...
  • SCIENCE CHANNEL COMMISSIONS NEW EPISODES OF METEORITE MEN

    10/30/2009 5:08:49 PM PDT · by decimon · 8 replies · 283+ views
    Science Channel ^ | Oct 28, 2009 | Unknown
    -- All-New Episodes to Air Beginning Wednesday, January 20, 2010, at 9 PM (ET/PT) -- (Silver Spring, Md.) Science Channel has commissioned renowned production company LMNO Cable Group for six all-new episodes of the network's hit special METEORITE MEN. As production continues, the series will chronicle modern day treasure hunters Geoff Notkin and Steve Arnold as they traverse North America in search of rare, lost pieces of our universe. METEORITE MEN is scheduled to debut Wednesday, January 20, 2010, at 9 PM (ET/PT). Notkin and Arnold have searched the world for remnants of meteorites for years. The duo uses inventive,...
  • Significance versus insignificance (your worldview matters!)

    11/02/2009 8:27:43 AM PST · by GodGunsGuts · 17 replies · 406+ views
    Creation Magazine ^ | December 2009 | Don Batten, Ph.D.
    The Bible tells us that God made mankind—male and female—“in His image” (Genesis 1:26, 27). This gives us humans a special significance in the cosmos. However, modern secular (godless) thinking minimizes this significance. As Voyager 1 reached the edge of our solar system in 1990, astronomer Carl Sagan asked NASA to instruct Voyager to turn around and take a picture looking back towards Earth. The grainy image showed our home as a tiny pale blue dot. In a book written soon after, atheist Sagan wrote, “our imagined self-importance, the delusion that we have some privileged position in the Universe, are...
  • Massive Gas Cloud Speeding Toward Collision With Milky Way

    11/01/2009 10:32:54 AM PST · by Frenchtown Dan · 37 replies · 836+ views
    Science Daily ^ | 01/13/08 | Felix J. Lockman
    A giant cloud of hydrogen gas is speeding toward a collision with our Milky Way Galaxy, and when it hits -- in less than 40 million years -- it may set off a spectacular burst of stellar fireworks.
  • Physicist Makes New High-resolution Panorama Of Milky Way

    11/01/2009 10:24:21 AM PST · by Frenchtown Dan · 10 replies · 680+ views
    Sciens Daily ^ | Axel Mellinger
    Cobbling together 3000 individual photographs, a physicist has made a new high-resolution panoramic image of the full night sky, with the Milky Way galaxy as its centerpiece. Axel Mellinger, a professor at Central Michigan University, describes the process of making the panorama in the November issue of Publications of the Astronomical Society of the Pacific.
  • Cox on Colbert [Brian Cox was on The Colbert Report]

    10/29/2009 7:13:22 PM PDT · by SunkenCiv · 1 replies · 344+ views
    Bad Astronomy 'blog ^ | Thursday, October 29, 2009 | Phil Plait
    As promised, Brian Cox was on The Colbert Report last night, and hit it out of the park. The whole show was better than average (which is saying a lot) but Brian truly rocked! If you missed it (and live in the States) the whole episode is online (Brian's segment is about 13:50 into the episode). Comedy Central won't allow embedding the whole show (sigh), and Brian's segment isn't separated out on the CC site, but right before he was on Colbert ragged on physics and the LHC... In the full segment, they talk about Brian's book Why E=mc2, which...
  • Green sits in Hawking's chair

    10/29/2009 7:16:36 PM PDT · by SunkenCiv · 11 replies · 357+ views
    Cosmic Variance 'blog ^ | October 27th, 2009 | "daniel"
    As we recently noted, Stephen Hawking has stepped down from the Lucasian Chair at Cambridge. The chair didn't stay empty for long. It has been announced that Michael Green will become the new Lucasian Professor. Green is one of the pioneers of string theory, and is already at Cambridge. I'm not sure he even switches offices, or chairs for that matter. Hawking did seminal work in general relativity. He proved a number of singularity theorems (with Roger Penrose). He wrote The Large Scale Structure of Spacetime (with George Ellis). John Wheeler conjectured that quiescent black holes have "no hair" (i.e.,...
  • Can Life Exist on Other Planets?

    10/29/2009 8:08:40 PM PDT · by GodGunsGuts · 43 replies · 976+ views
    ACTS & FACTS ^ | October 2009 | Danny Faulkner, Ph.D.
    Many people make a distinction between the origin of life and the evolution of life. In this view, biological evolution refers to the gradual development of the diversity of living things from a common ancestor, while the ultimate origin of life is a separate question. This is a legitimate point, but evolution is about much more than just biology. The evolutionary worldview is that all of physical existence, both living and non-living, arose through purely natural processes. With this broad definition of evolution, abiogenesis--the spontaneous appearance of life from non-living matter--is a necessity. If life did arise on earth by...
  • Mega-star explosion most distant object ever seen

    10/29/2009 8:03:26 AM PDT · by GL of Sector 2814 · 29 replies · 858+ views
    Yahoo! News ^ | Oct 28, 2009 | Yahoo
    PARIS (AFP) – It took 13 billion years to reach Earth, but astronomers have seen the light of an exploding mega-star that is the most distant object ever detected, two studies published Thursday reported. The stunning gamma-ray burst (GRB) was observed by two teams of researchers in April, and opens a window onto a poorly known period when the Universe was in its infancy.
  • Black Hole Conditions, Right Here on Earth

    10/19/2009 9:19:33 PM PDT · by neverdem · 4 replies · 477+ views
    ScienceNOW Daily News ^ | 19 October 2009 | Phil Berardelli
    Enlarge ImageBoom! After being hit with laser beams, a small plastic pellet (sunlike object) emits x-rays, some of which bombard a pellet of silicon (blue and purple). Credit: Adapted from S. Fujioka et al., Nature Physics, Advance Online Publication A team of researchers has created conditions analogous to those found outside of a black hole by blasting a plastic pellet with high-energy laser beams. The advance should sharpen insights into the behavior of matter and energy in extreme conditions. Astronomers can't observe black holes directly because their immense gravity won't let light escape. Instead, they have focused on what...
  • Get Out: Orionid Meteor Shower Peaks Overnight

    10/20/2009 2:49:47 PM PDT · by Steelfish · 11 replies · 654+ views
    Space.com ^ | October 20, 2009
    Get Out: Orionid Meteor Shower Peaks Overnight SPACE.com Robert Roy Britt editorial Director Tue Oct 20. The Orionid meteor shower is expected to put on a good show tonight into the predawn hours Wednesday, weather permitting. This annual meteor shower is created when Earth passes through trails of comet debris left in space long ago by Halley's Comet. The "shooting stars" develop when bits typically no larger than a pea , and mostly sand-grain-sized, vaporize in Earth's upper atmosphere. "Flakes of comet dust hitting the atmosphere should give us dozens of meteors per hour," said Bill Cooke of NASA's Meteoroid...
  • Science News or Tabloid Journalism?

    10/19/2009 8:43:31 PM PDT · by GodGunsGuts · 15 replies · 632+ views
    CEH ^ | October 19, 2009
    Oct 19, 2009 — Science news outlets have put out some bizarre headlines recently.  Readers can judge whether they should be blessed with the label “science” or belong instead at supermarket checkouts. Women are evolving fatter:  New Scientist and PhysOrg said that natural selection is making women shorter, plumper and more fertile.  “The take-home message is that humans are currently evolving,” said Stephen Stearns of the National Evolutionary Synthesis Center in Durham, North Carolina.  “Natural selection is still operating.” Killer algae heading north:  Science Daily said that toxic algae was a key player in mass extinctions in the past, and...
  • Towards Other Earths: 32 New Exoplanets Found

    10/19/2009 11:08:33 AM PDT · by xcamel · 34 replies · 689+ views
    Science Daily ^ | 10/19/2009 | staff
    Today, at an international ESO/CAUP exoplanet conference in Porto, the team who built the High Accuracy Radial Velocity Planet Searcher, better known as HARPS, the spectrograph for ESO's 3.6-metre telescope, reports on the incredible discovery of some 32 new exoplanets, cementing HARPS's position as the world’s foremost exoplanet hunter. This result also increases the number of known low-mass planets by an impressive 30%. Over the past five years HARPS has spotted more than 75 of the roughly 400 or so exoplanets now known.
  • Lots More Planets Found Outside Solar System (32 More Planets, Total 400)

    10/19/2009 7:11:29 AM PDT · by Dallas59 · 40 replies · 1,012+ views
    Yahoo News ^ | Yahoo News
    <p>WASHINGTON – Astronomers have found 32 new planets outside our solar system, adding evidence to the theory that the universe has many places where life could develop.</p> <p>Scientists using European Southern Observatory telescopes didn't find any planets quite the size of Earth or any that seemed habitable or even unusual. But their announcement increased the number of planets discovered outside the solar system to more than 400.</p>
  • News to Note, October 17, 2009 (see especially STEM CELL STORY...FASCINATING!)

    10/18/2009 2:13:40 PM PDT · by GodGunsGuts · 3 replies · 491+ views
    AiG ^ | October 17, 2009
    News to Note, October 17, 2009: A weekly feature examining news from the biblical viewpoint (fascinating STEM CELL piece in story #5!)...
  • Giant Ribbon Discovered at the Edge of the Solar System..

    10/16/2009 8:34:28 AM PDT · by TaraP · 28 replies · 1,151+ views
    NASA ^ | October 15th, 2009
    October 15, 2009: For years, researchers have known that the solar system is surrounded by a vast bubble of magnetism. Called the "heliosphere," it springs from the sun and extends far beyond the orbit of Pluto, providing a first line of defense against cosmic rays and interstellar clouds that try to enter our local space. Although the heliosphere is huge and literally fills the sky, it emits no light and no one has actually seen it. Until now. NASA's IBEX (Interstellar Boundary Explorer) spacecraft has made the first all-sky maps of the heliosphere and the results have taken researchers by...
  • Mystery Emissions Spotted at Edge of Solar System

    10/16/2009 5:56:09 AM PDT · by decimon · 26 replies · 969+ views
    Live Science ^ | Oct 15, 2009 | Clara Moskowitz
    In the murky boundary between our solar system and the rest of the galaxy, scientists have spotted a bright band of surprising high-energy emissions. The results come from the first all-sky map created by NASA's new Interstellar Boundary Explorer (IBEX) spacecraft, which launched in October 2008. While orbiting Earth, IBEX monitors incoming neutral atoms that originate billions of miles away at the solar system's edge to learn about the interaction between the sun and the cold expanse of space. "The IBEX results are truly remarkable, with emissions not resembling any of the current theories or models of this never-before-seen region,"...
  • Giant Impact Near India -- Not Mexico -- May Have Doomed Dinosaurs

    10/15/2009 10:07:58 AM PDT · by decimon · 64 replies · 1,671+ views
    The Geological Society of America ^ | Oct 15, 2009 | Unknown
    Boulder, CO, USA -- A mysterious basin off the coast of India could be the largest, multi-ringed impact crater the world has ever seen. And if a new study is right, it may have been responsible for killing the dinosaurs off 65 million years ago. Sankar Chatterjee of Texas Tech University and a team of researchers took a close look at the massive Shiva basin, a submerged depression west of India that is intensely mined for its oil and gas resources. Some complex craters are among the most productive hydrocarbon sites on the planet. Chatterjee will present his research at...
  • An Open Letter to NASA Administrator Charles Bolden From Robert Bigelow

    10/15/2009 6:36:42 PM PDT · by KevinDavis · 5 replies · 403+ views
    spaceref.com ^ | 10/14/09 | Robert T. Bigelow
    Editor's note: this article was originally published in Space News and is reprinted here courtesy of its author. On behalf of myself and all of us at Bigelow Aerospace let me first congratulate you on becoming NASA administrator. I'm sure the joy you must feel in being entrusted with leading such an extraordinary organization is only rivaled by the difficulty of the decisions you are now facing.
  • The Puzzle of Brueghel's Paintings of Telescopes

    10/15/2009 11:09:42 AM PDT · by BGHater · 22 replies · 1,130+ views
    Technology Review ^ | 02 Oct 2009 | TR
    A painting from 1617 appears to show a type of telescope thought not to have been built until much later. It's hard to find an invention more emblematic of the birth of modern science than the telescope. And yet surprisingly little is known about its early development. The inventor of the telescope remains unknown to this day. Now a study of the paintings of Jan Brueghel the Elder, a Flemish painter of the Baroque era who was working in Amsterdam at the beginning of the 17th century, is throwing some light on the early development of the telescope. It has...
  • Astronomy Picture of the Day

    10/12/2009 5:32:34 AM PDT · by sig226 · 17 replies · 898+ views
    NASA ^ | 10/12/09 | Stéphane Guisard (Los Cielos de Chile)
    Stars Over Easter Island Credit & Copyright: Stéphane Guisard (Los Cielos de Chile) Explanation: Why were the statues on Easter Island built? No one is sure. What is sure is that over 800 large stone statues exist there. The Easter Island statues, stand, on the average, over twice as tall as a person and have over 200 times as much mass. Few specifics are known about the history or meaning of the unusual statues, but many believe that they were created about 500 years ago in the images of local leaders of a lost civilization. Pictured above, a large...
  • Astronomy Picture of the Day

    10/08/2009 7:22:06 AM PDT · by sig226 · 13 replies · 821+ views
    NASA ^ | 10/8/09 | NMSU/MSFC Tortugas Observatory
    Target Crater Cabeus Image Credit: NMSU/MSFC Tortugas Observatory Explanation: About 100 kilometers from the Moon's South Pole, 100 kilometer wide crater Cabeus is the target for two LCROSS mission spacecraft on course to impact the Moon tomorrow. The shadowed crater is strongly foreshortened in this mosaic, a representative view of the region for earthbound telescopes. The impacts are intended to create billowing debris plumes extending into the sunlight above the crater walls, that could reveal signs of water. First to impact will be the mission's Centaur upper stage rocket at 11:30 UT (7:30am EDT). The instrumented LCROSS mothership will...
  • Astronomy Picture of the Day

    10/07/2009 5:39:22 AM PDT · by sig226 · 13 replies · 776+ views
    NASA ^ | 10/07/09 | NASA/JHU APL/CIW
    A Double Ringed Basin on Mercury Credit: NASA/JHU APL/CIW Explanation: What created the internal second ring of this double ringed basin on Mercury? No one is sure. The unusual feature spans 160 kilometers and was imaged during the robotic MESSENGER spacecraft's swing past our Solar System's innermost planet last week. Double and multiple ringed basins, although rare, have also been imaged in years past on Mars, Venus, Earth, and Earth's Moon. Mercury itself has several doubles, including huge Caloris basin, Rembrandt basin, and enigmatic Raditladi basin. Most large circular features on planets and moons are caused initially by a...
  • Giant Backward Ring Found Around Saturn

    10/08/2009 9:54:25 AM PDT · by GodGunsGuts · 27 replies · 1,653+ views
    CEH ^ | October 7, 2009
    Oct 7, 2009 — Saturn has a newly-discovered ring to add to its decor – the largest of all. It’s so big, it makes Saturn look like a speck in the middle of it. The ring, located at the orbit of the small outer moon Phoebe, is inclined 27 degrees and revolves backwards around Saturn. This was announced today by...
  • Revealed: Saturn's secret 'doughnut' ring ... big enough to contain one billion Earths

    10/07/2009 3:46:06 PM PDT · by Ernest_at_the_Beach · 18 replies · 1,094+ views
    Daily Mail Reporter ^ | 9:44 PM on 07th October 2009
    Saturn's biggest and never-been-seen before ring has been discovered.The 'super-sized' halo was found by Nasa's Spitzer Space Telescope. To get a sense of its size it has a vertical height which is about 20 times the diameter of the planet, which is nine times the size of our planet. Furthermore, the entire volume of the ring could hold about one billion Earths. The bulk of the ring starts about 3.7million miles from Saturn itself and extends outward about another 7.4million miles.With it being so huge many will ask how come it was not seen before. This is because the ring...
  • The Hot Saturn Exoplanet [HD149026]

    10/03/2009 6:59:33 PM PDT · by SunkenCiv · 15 replies · 510+ views
    PhysOrg ^ | Friday, October 2nd, 2009 | Harvard-Smithsonian Center for Astrophysics
    Of the roughly 350 known exoplanets (i.e., extrasolar planets), the one orbiting the star HD149026 is unique. It has a mass comparable to that of Saturn but is much smaller in size, indicating that it is made up of a denser material such as ice or rocks. It is therefore quite unlike the large class of "hot Jupiters," giant exoplanets that are primarily composed of hydrogen and helium (and that are hot because they orbit close to their parent stars)... A team of seven astronomers led by CfA scientists Heather Knutson and David Charbonneau used the IRAC camera on the...
  • Mercury Flyby

    10/01/2009 11:32:25 AM PDT · by The Comedian · 6 replies · 676+ views
    Spaceweather.com ^ | Oct.1, 2009 | Spaceweather
    NASA's MESSENGER spacecraft is receding from Mercury after a Sept 29th flyby that put smiles on the faces of mission scientists. MESSENGER is beaming back images of thousands of square miles of previously unseen terrain, including this cheerful crater: The arc-shaped depression in the crater's floor is a "pit crater." A few of these have been seen on Mercury, and they are probably volcanic in nature. Pit craters may have formed when subsurface magma drained away and left a roof area unsupported, leading to collapse and the formation of the pit. In this example, the southern area of the pit...
  • Study: Strange Planet Has Atmosphere of Gaseous Rock -- and It Rains Pebbles

    10/03/2009 7:18:52 PM PDT · by SunkenCiv · 14 replies · 619+ views
    Discover 'blogs ^ | October 1, 2009 | unattributed
    The exoplanet Corot-7b... is extraordinarily close to its parent star, and researchers think that it's tidally locked so that one hemisphere always faces the star's blasting heat. On that side, temperatures are thought to reach about 4,220 degrees Fahrenheit -- hot enough to vaporize rock... its atmosphere consists of what might be called vaporized rock... during storms, pebbles may condense out of the atmosphere. "As you go higher the atmosphere gets cooler and eventually you get saturated with different types of 'rock' the way you get saturated with water in the atmosphere of Earth," Fegley explained. "But instead of a...
  • Have Earthlike Planets Really Been Found?

    10/03/2009 7:07:32 PM PDT · by SunkenCiv · 7 replies · 538+ views
    Discovery 'blogs ^ | October 01, 2009 | Ray Villard
    When will we find the first "earthlike planet" in the galaxy? According to some mainstream news reports we have found them already -- again and again and again... If an exoplanet is close to the same mass of Earth it's called "earthlike" in press releases and the news media... How about surface temperatures of more than 3,600 degrees Fahrenheit? Instead of an ocean of water it would have an ocean of molten rock. Why so hot? The planet has migrated so close to its star it completes an orbit in just 20 hours. It is 23 times closer to it's...
  • Weekend Roundup (20 science blurbs guaranteed to blow your hair back while contemplating design :o)

    10/06/2009 4:57:21 PM PDT · by GodGunsGuts · 5 replies · 644+ views
    CEH ^ | October 4, 2009
    Weekend Roundup --snip-- Picture Highlight: the new Herschel Space Telescope, is seeing first light and creating dramatic images of gas clouds in the Milky Way...
  • The 'wobble' that wipes out life on Earth every 2.5m years

    10/11/2006 11:43:56 PM PDT · by MadIvan · 86 replies · 3,657+ views
    The Daily Mail ^ | October 12, 2006 | JULIE WHELDON
    If you are the kind of person who worries about the future, this might not make happy reading.Scientists have found that on average mammal species enjoy only 2.5 million years of life before being wiped out because of the Earth's "wobble." They say when the tilt and orbit reach key points it can spark dramatic global cooling - and the last time this happened was 2.6 million years ago. This suggests we are overdue a wave of extinction. However, before you panic, scientists say our planet has changed beyond all recognition in the last 3 million years. The new research...
  • Earth's Climate Changes in Tune with Eccentric Orbital Rhythms

    12/22/2006 11:53:58 AM PST · by aculeus · 99 replies · 2,814+ views
    Scientific American.com ^ | December 22, 2006 | By David Biello
    The useless shells of tiny ocean animals--foraminifera--drift silently down through the depths of the equatorial Pacific Ocean, coming to rest more than three miles (five kilometers) below the surface. Slowly, over time, this coating of microscopic shells and other detritus builds up. "In the central Pacific, the sedimentation rate adds between one and two centimeters every 1,000 years," explains Heiko Pälike, a geologist at the National Oceanography Center in Southampton, England. "If you go down in the sediment one inch, you go back in time 2,500 years." Pälike and his colleagues went considerably further than that, pulling a sediment core...
  • Astronomy Picture of the Day

    10/03/2009 7:55:14 AM PDT · by paul in cape · 8 replies · 852+ views
    NASA ^ | 10-3-09 | Credit & Copyright: Jimmy and Linda Westlake
    Old Faith-Full Moon Explanation: Scheduled to illuminate the landscape throughout the night tomorrow, October's bright Full Moon will also be called the Harvest Moon. Traditionally, the Harvest Moon is the Full Moon closest to the autumnal equinox. But in this vacation snapshot, the Full Moon could be called the "Old Faith-Full Moon". Taken on September 4, the picture combines the regularly occurring lunar phase with Old Faithful Geyser in Yellowstone National Park, named for its dependable erruptions. Shining on the well-known geyser's towering pillar from behind, the moonlight creates an eerie halo surrounding convoluted shapes. Faithfully, the Full Moon itself...
  • Astronomy Picture of the Day

    10/01/2009 3:43:50 AM PDT · by paul in cape · 10 replies · 865+ views
    NASA ^ | 10-1-09 | Credit: NASA, ESA, and the Hubble SM4 ERO Team
    Carina Pillar and Jets Explanation: This cosmic pillar of gas and dust is nearly 2 light-years wide. The structure lies within one of our galaxy's largest star forming regions, the Carina Nebula, shining in southern skies at a distance of about 7,500 light-years. The pillar's convoluted outlines are shaped by the winds and radiation of Carina's young, hot, massive stars. But the interior of the cosmic pillar itself is home to stars in the process of formation. In fact, placing your cursor over this visible light image will reveal a penetrating near-infrared view of pillar - now dominated by two,...
  • Plutonium Shortage Could Stall Space Exploration

    09/28/2009 10:29:07 PM PDT · by BGHater · 20 replies · 905+ views
    NPR ^ | 28 Sep 2009 | Nell Greenfieldboyce
    NASA is running out of the special kind of plutonium needed to power deep space probes, worrying planetary scientists who say the U. S. urgently needs to restart production of plutonium-238. But it's unclear whether Congress will provide the $30 million that the administration requested earlier this year for the Department of Energy to get a new program going. Nuclear weapons use plutonium-239, but NASA depends on something quite different: plutonium-238. A marshmallow-sized pellet of plutonium-238, encased in metal, gives off a lot of heat. "If you dim the lights a little bit, it glows a little red, because it's...
  • Mass Extinction Event Spared Europe (Mostly)

    09/28/2009 7:54:18 PM PDT · by SunkenCiv · 5 replies · 408+ views
    Discovery News ^ | Wednesday, September 23, 2009 | Michael Reilly
    When a comet crashed into the Yucatan Peninsula 65 million years ago, all hell broke loose. Scientists have guessed at the scene: a world enshrouded in ashen darkness leftover from the cosmic impact that left almost nothing -- including the dinosaurs -- standing. But a new study shows that in western Europe at least, the effects were far less terrifying. Fossil leaves from four million years after the impact show that plants and insects had made a full recovery... Previous evidence from western North America shows that up to 60 percent of plant species died out after the impact along...
  • Did the star HD 82943 swallow one of its planets? The VLT Uncovers Traces of Stellar Cannibalism

    09/29/2009 6:03:05 PM PDT · by SunkenCiv · 28 replies · 644+ views
    SpaceRef ^ | Wednesday, May 9, 2001 | European Southern Observatory
    Using the very efficient UVES high-resolution spectrograph at the ESO VLT 8.2-m KUEYEN telescope, they have convincingly detected the presence of the rare isotope Lithium-6 (6Li; [2]) in this metal-rich, solar-type dwarf star that is also known to possess a planetary system, cf. ESO Press Release 13/00. Unlike the Lithium-7 (7Li) isotope of this light element, any primordial Lithium-6 would not survive the early evolutionary stages of a metal-rich solar-type star. The Lithium-6 now seen in HD 82943 must therefore have been added later, but from where? The astronomers believe that this observation strongly suggests that the star has at...
  • For Utilities, the Future Is Now (Space-Based Power Generation Deal Signed?!)

    09/29/2009 7:59:37 AM PDT · by Liberty1970 · 11 replies · 403+ views
    Kiplinger Business Resource Center ^ | 09/29/2009 | Jim Ostroff
    For Utilities, the Future Is Now Generating power from the sun and burying carbon underground are two old concepts on the cusp of reality. By Jim Ostroff, Associate Editor, The Kiplinger Letter September 29, 2009 National Security Space Office, study on space based power Note two exciting energy technology developments whose times have come: Space based power plants and a coal burning facility that emits no carbon dioxide. Both are likely to be key elements in helping electric utilities meet expected stringent U.S. emissions requirements without having to mothball a large number of existing coal fired power plants. Power plants...
  • The Biblical roots of modern science

    09/29/2009 8:09:53 AM PDT · by GodGunsGuts · 9 replies · 637+ views
    CMI ^ | September 29, 2009 | Jonathan Sarfati, Ph.D.
    Many atheopaths1 and their compromising churchian allies claim that biblical belief and science are mortal enemies. Yet historians of science, even non-Christians, have pointed out that modern science first flourished under a Christian world view while it was stillborn in other cultures such as ancient Greece, China and Arabia. The historical basis of modern science depended on the assumption that the universe was made by a rational Creator. An orderly universe makes perfect sense only if it were made by an orderly Creator (cf. 1 Corinthians 14:33). For example, evolutionary anthropologist and science writer Loren Eiseley stated:...